Re: period time in async handler

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



At Tue, 10 Jun 2008 20:35:12 -0600,
Tim Pushor wrote:
> 
> Hi Friends,
> 
> I have a need to have an audio player kick off things at various points 
> of time through playback of an audio file. I'm trying to hack aplay as a 
> proof of concept.
> 
> If I understand correctly, the asynchronous handler seems to do what I 
> want. I hacked in a handler to aplay and it works, but not quite like 
> how I expected.

Oh, forget about async handler.  It's a horrible hack, and in
principle, never guaranteed to work.

We really need to put DONT_USE tag to async handler APIs...


Takashi

> I counted the number of times that the handler got called, and thought 
> that if I multiplied that by the period time that I'd end up with the 
> total audio length but that doesn't seem to be the case. I was under the 
> assumption that the handler was called once per period.
> 
> I must not understand the relationship of the asynchronous handler and 
> period_time. Does this make sense? Am I going about this all wrong?
> 
> Thanks,
> Tim
> _______________________________________________
> Alsa-devel mailing list
> Alsa-devel@xxxxxxxxxxxxxxxx
> http://mailman.alsa-project.org/mailman/listinfo/alsa-devel
> 
_______________________________________________
Alsa-devel mailing list
Alsa-devel@xxxxxxxxxxxxxxxx
http://mailman.alsa-project.org/mailman/listinfo/alsa-devel

[Index of Archives]     [ALSA User]     [Linux Audio Users]     [Kernel Archive]     [Asterisk PBX]     [Photo Sharing]     [Linux Sound]     [Video 4 Linux]     [Gimp]     [Yosemite News]

  Powered by Linux